Is Iran really able to strike London, and is the UK prepared for an attack?

After Tehran targeted the UK-US base on Diego Garcia, Israel’s military said European capitals were also at risk

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The Israel Defense Forces (IDF) claimed at the weekend that Iran had weapons able to travel about 4,000km (2,500 miles), posing an immediate threat to European cities including London.

The comments came after it emerged Iran had targeted the joint UK–US military base on Diego Garcia in the Chagos Islands.